Update files from the datasets library (from 1.6.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.6.0

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README.md

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+---
+annotations_creators:
+- found
+language_creators:
+- found
+languages:
+- en
+licenses:
+- cc-by-sa-4-0
+multilinguality:
+- monolingual
+size_categories:
+- 10K<n<100K
+source_datasets:
+- original
+task_categories:
+- text-classification
+task_ids:
+- multi-label-classification
+- text-classification-legal-topic-classification
+---
+
+# Dataset Card for the EUR-Lex dataset
+
+## Table of Contents
+- [Dataset Card for the EUR-Lex dataset](#dataset-card-for-ecthr-cases)
+  - [Table of Contents](#table-of-contents)
+  - [Dataset Description](#dataset-description)
+    - [Dataset Summary](#dataset-summary)
+    - [Supported Tasks and Leaderboards](#supported-tasks-and-leaderboards)
+    - [Languages](#languages)
+  - [Dataset Structure](#dataset-structure)
+    - [Data Instances](#data-instances)
+    - [Data Fields](#data-fields)
+    - [Data Splits](#data-splits)
+  - [Dataset Creation](#dataset-creation)
+    - [Curation Rationale](#curation-rationale)
+    - [Source Data](#source-data)
+      - [Initial Data Collection and Normalization](#initial-data-collection-and-normalization)
+      - [Who are the source language producers?](#who-are-the-source-language-producers)
+    - [Annotations](#annotations)
+      - [Annotation process](#annotation-process)
+      - [Who are the annotators?](#who-are-the-annotators)
+    - [Personal and Sensitive Information](#personal-and-sensitive-information)
+  - [Considerations for Using the Data](#considerations-for-using-the-data)
+    - [Social Impact of Dataset](#social-impact-of-dataset)
+    - [Discussion of Biases](#discussion-of-biases)
+    - [Other Known Limitations](#other-known-limitations)
+  - [Additional Information](#additional-information)
+    - [Dataset Curators](#dataset-curators)
+    - [Licensing Information](#licensing-information)
+    - [Citation Information](#citation-information)
+    - [Contributions](#contributions)
+
+## Dataset Description
+
+- **Homepage:** http://nlp.cs.aueb.gr/software_and_datasets/EURLEX57K/
+- **Repository:** http://nlp.cs.aueb.gr/software_and_datasets/EURLEX57K/
+- **Paper:** https://www.aclweb.org/anthology/P19-1636/
+- **Leaderboard:** N/A
+- **Point of Contact:** [Ilias Chalkidis](mailto:ihalk@aueb.gr)
+
+### Dataset Summary
+
+EURLEX57K can be viewed as an improved version of the dataset released by Mencia and Furnkranzand (2007), which has been widely used in Large-scale Multi-label Text Classification (LMTC) research, but is less than half the size of EURLEX57K (19.6k documents, 4k EUROVOC labels) and more than ten years old.
+EURLEX57K contains 57k legislative documents in English from EUR-Lex (https://eur-lex.europa.eu) with an average length of 727 words. Each document contains four major zones: 
+
+- the header, which includes the title and name of the legal body enforcing the legal act;
+- the recitals, which are legal background references; and
+- the main body, usually organized in articles.
+
+**Labeling / Annotation**
+
+All the documents of the dataset have been annotated by the Publications Office of EU (https://publications.europa.eu/en) with multiple concepts from EUROVOC (http://eurovoc.europa.eu/). 
+While EUROVOC includes approx. 7k concepts (labels), only 4,271 (59.31%) are present in EURLEX57K, from which only 2,049 (47.97%) have been assigned to more than 10 documents.  The 4,271 labels are also divided into frequent (746 labels), few-shot (3,362), and zero- shot (163), depending on whether they were assigned to more than 50, fewer than 50 but at least one, or no training documents, respectively.
+
+
+### Supported Tasks and Leaderboards
+
+The dataset supports:
+
+**Multi-label Text Classification:** Given the text of a document, a model predicts the relevant EUROVOC concepts.
+
+**Few-shot and Zero-shot learning:** As already noted, the labels can be divided into three groups: frequent (746 labels), few-shot (3,362), and zero- shot (163), depending on whether they were assigned to more than 50, fewer than 50 but at least one, or no training documents, respectively.
+
+### Languages
+
+All documents are written in English.
+
+## Dataset Structure
+
+### Data Instances
+
+
+```json
+{
+  "celex_id": "31979D0509", 
+  "title": "79/509/EEC: Council Decision of 24 May 1979 on financial aid from the Community for the eradication of African swine fever in Spain", 
+  "text": "COUNCIL DECISION  of 24 May 1979  on financial aid from the Community for the eradication of African swine fever in Spain  (79/509/EEC)\nTHE COUNCIL OF THE EUROPEAN COMMUNITIES\nHaving regard to the Treaty establishing the European Economic Community, and in particular Article 43 thereof,\nHaving regard to the proposal from the Commission (1),\nHaving regard to the opinion of the European Parliament (2),\nWhereas the Community should take all appropriate measures to protect itself against the appearance of African swine fever on its territory;\nWhereas to this end the Community has undertaken, and continues to undertake, action designed to contain outbreaks of this type of disease far from its frontiers by helping countries affected to reinforce their preventive measures ; whereas for this purpose Community subsidies have already been granted to Spain;\nWhereas these measures have unquestionably made an effective contribution to the protection of Community livestock, especially through the creation and maintenance of a buffer zone north of the river Ebro;\nWhereas, however, in the opinion of the Spanish authorities themselves, the measures so far implemented must be reinforced if the fundamental objective of eradicating the disease from the entire country is to be achieved;\nWhereas the Spanish authorities have asked the Community to contribute to the expenses necessary for the efficient implementation of a total eradication programme;\nWhereas a favourable response should be given to this request by granting aid to Spain, having regard to the undertaking given by that country to protect the Community against African swine fever and to eliminate completely this disease by the end of a five-year eradication plan;\nWhereas this eradication plan must include certain measures which guarantee the effectiveness of the action taken, and it must be possible to adapt these measures to developments in the situation by means of a procedure establishing close cooperation between the Member States and the Commission;\nWhereas it is necessary to keep the Member States regularly informed as to the progress of the action undertaken,", 
+  "eurovoc_concepts": ["192", "2356", "2560", "862", "863"]
+}
+```
+
+### Data Fields
+
+The following data fields are provided for documents (`train`, `dev`, `test`):
+
+`celex_id`: (**str**)  The official ID of the document. The CELEX number is the unique identifier for all publications in both Eur-Lex and CELLAR.\
+`title`: (**str**)  The title of the document.\
+`text`: (**str**)  The full content of each document, which is represented by its `header`, `recitals` and `main_body`.\
+`eurovoc_concepts`: (**List[str]**) The relevant EUROVOC concepts (labels).
+
+If you want to use the descriptors of EUROVOC concepts, similar to Chalkidis et al. (2020), please load: https://archive.org/download/EURLEX57K/eurovoc_concepts.jsonl
+
+```python
+import json
+with open('./eurovoc_concepts.jsonl') as jsonl_file:
+    eurovoc_concepts =  {json.loads(concept) for concept in jsonl_file.readlines()}
+```
+
+### Data Splits
+
+| Split         | No of Documents                         | Avg. words | Avg. labels |
+| ------------------- | ------------------------------------  |  --- | --- |
+| Train | 45,000 | 729 | 5 |
+|Development | 6,000 | 714 | 5 |
+|Test | 6,000 | 725 | 5 |
+
+## Dataset Creation
+
+### Curation Rationale
+
+The dataset was curated by Chalkidis et al. (2019).\
+The documents have been annotated by the Publications Office of EU (https://publications.europa.eu/en).
+
+### Source Data
+
+#### Initial Data Collection and Normalization
+
+The original data are available at EUR-Lex portal (https://eur-lex.europa.eu) in an unprocessed format. 
+The documents were downloaded from EUR-Lex portal in HTML format. 
+The relevant metadata and EUROVOC concepts were downloaded from the SPARQL endpoint of the Publications Office of EU (http://publications.europa.eu/webapi/rdf/sparql).
+
+#### Who are the source language producers?
+
+[More Information Needed]
+
+### Annotations
+
+#### Annotation process
+
+* The original documents are available at EUR-Lex portal (https://eur-lex.europa.eu) in an unprocessed HTML format. The HTML code was striped and the documents split into sections. 
+* The documents have been annotated by the Publications Office of EU (https://publications.europa.eu/en).
+
+
+#### Who are the annotators?
+
+Publications Office of EU (https://publications.europa.eu/en)
+
+### Personal and Sensitive Information
+
+The dataset does not include personal or sensitive information.
+
+## Considerations for Using the Data
+
+### Social Impact of Dataset
+
+[More Information Needed]
+
+### Discussion of Biases
+
+[More Information Needed]
+
+### Other Known Limitations
+
+[More Information Needed]
+
+## Additional Information
+
+### Dataset Curators
+
+Chalkidis et al. (2019)
+
+### Licensing Information
+
+© European Union, 1998-2021
+
+The Commission’s document reuse policy is based on Decision 2011/833/EU. Unless otherwise specified, you can re-use the legal documents published in EUR-Lex for commercial or non-commercial purposes.
+
+The copyright for the editorial content of this website, the summaries of EU legislation and the consolidated texts, which is owned by the EU, is licensed under the Creative Commons Attribution 4.0 International licence. This means that you can re-use the content provided you acknowledge the source and indicate any changes you have made.
+
+Source: https://eur-lex.europa.eu/content/legal-notice/legal-notice.html \
+Read more:  https://eur-lex.europa.eu/content/help/faq/reuse-contents-eurlex.html
+
+### Citation Information
+
+*Ilias Chalkidis, Manos Fergadiotis, Prodromos Malakasiotis and Ion Androutsopoulos.*
+*Large-Scale Multi-Label Text Classification on EU Legislation.*
+*Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics (ACL 2019). Florence, Italy. 2019*
+```
+@inproceedings{chalkidis-etal-2019-large,
+    title = "Large-Scale Multi-Label Text Classification on {EU} Legislation",
+    author = "Chalkidis, Ilias  and Fergadiotis, Manos  and Malakasiotis, Prodromos  and Androutsopoulos, Ion",
+    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics",
+    year = "2019",
+    address = "Florence, Italy",
+    publisher = "Association for Computational Linguistics",
+    url = "https://www.aclweb.org/anthology/P19-1636",
+    doi = "10.18653/v1/P19-1636",
+    pages = "6314--6322"
+}
+```
+
+### Contributions
+
+Thanks to [@iliaschalkidis](https://github.com/iliaschalkidis) for adding this dataset.

dataset_infos.json

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+{"eurlex57k": {"description": "EURLEX57K contains 57k legislative documents in English from EUR-Lex portal, annotated with EUROVOC concepts.\n", "citation": "@inproceedings{chalkidis-etal-2019-large,\n    title = \"Large-Scale Multi-Label Text Classification on {EU} Legislation\",\n    author = \"Chalkidis, Ilias  and Fergadiotis, Emmanouil  and Malakasiotis, Prodromos  and Androutsopoulos, Ion\",\n    booktitle = \"Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics\",\n    year = \"2019\",\n    address = \"Florence, Italy\",\n    publisher = \"Association for Computational Linguistics\",\n    url = \"https://www.aclweb.org/anthology/P19-1636\",\n    doi = \"10.18653/v1/P19-1636\",\n    pages = \"6314--6322\"\n}\n", "homepage": "http://nlp.cs.aueb.gr/software_and_datasets/EURLEX57K/", "license": "CC BY-SA (Creative Commons / Attribution-ShareAlike)", "features": {"celex_id": {"dtype": "string", "id": null, "_type": "Value"}, "title": {"dtype": "string", "id": null, "_type": "Value"}, "text": {"dtype": "string", "id": null, "_type": "Value"}, "eurovoc_concepts": {"feature": {"dtype": "string", "id": null, "_type": "Value"}, "length": -1, "id": null, "_type": "Sequence"}}, "post_processed": null, "supervised_keys": null, "builder_name": "eurlex", "config_name": "eurlex57k", "version": {"version_str": "1.1.0", "description": null, "major": 1, "minor": 1, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 167603718, "num_examples": 45000, "dataset_name": "eurlex"}, "test": {"name": "test", "num_bytes": 22046706, "num_examples": 6000, "dataset_name": "eurlex"}, "validation": {"name": "validation", "num_bytes": 21942574, "num_examples": 6000, "dataset_name": "eurlex"}}, "download_checksums": {"http://archive.org/download/EURLEX57K/dataset.zip": {"num_bytes": 50289403, "checksum": "dc6830ce8ea49aea049989c4a8253b12d0fb3665fc336d830cb07b9bd28c0f92"}}, "download_size": 50289403, "post_processing_size": null, "dataset_size": 211592998, "size_in_bytes": 261882401}}

dummy/eurlex57k/1.1.0/dummy_data.zip

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+version https://git-lfs.github.com/spec/v1
+oid sha256:87747b71df8c2ce1273f61cda552d5feb55ecc170568f94c332857d06f8489a3
+size 14445

eurlex.py

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+# coding=utf-8
+# Copyright 2020 The HuggingFace Datasets Authors and the current dataset script contributor.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""EURLEX57K contains 57k legislative documents in English from EUR-Lex portal, annotated with EUROVOC concepts."""
+
+
+import json
+import os
+
+import datasets
+
+
+_CITATION = """\
+@inproceedings{chalkidis-etal-2019-large,
+    title = "Large-Scale Multi-Label Text Classification on {EU} Legislation",
+    author = "Chalkidis, Ilias  and Fergadiotis, Emmanouil  and Malakasiotis, Prodromos  and Androutsopoulos, Ion",
+    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics",
+    year = "2019",
+    address = "Florence, Italy",
+    publisher = "Association for Computational Linguistics",
+    url = "https://www.aclweb.org/anthology/P19-1636",
+    doi = "10.18653/v1/P19-1636",
+    pages = "6314--6322"
+}
+"""
+
+_DESCRIPTION = """\
+EURLEX57K contains 57k legislative documents in English from EUR-Lex portal, annotated with EUROVOC concepts.
+"""
+
+_HOMEPAGE = "http://nlp.cs.aueb.gr/software_and_datasets/EURLEX57K/"
+
+_LICENSE = "CC BY-SA (Creative Commons / Attribution-ShareAlike)"
+
+_URLs = {
+    "eurlex57k": "http://archive.org/download/EURLEX57K/dataset.zip",
+}
+
+
+class EURLEX(datasets.GeneratorBasedBuilder):
+    """EURLEX57K contains 57k legislative documents in English from EUR-Lex portal, annotated with EUROVOC concepts."""
+
+    VERSION = datasets.Version("1.1.0")
+
+    BUILDER_CONFIGS = [
+        datasets.BuilderConfig(
+            name="eurlex57k", version=VERSION, description="EURLEX57K: Legal Multi-label Text Classification"
+        ),
+    ]
+
+    DEFAULT_CONFIG_NAME = "eurlex57k"
+
+    def _info(self):
+        features = datasets.Features(
+            {
+                "celex_id": datasets.Value("string"),
+                "title": datasets.Value("string"),
+                "text": datasets.Value("string"),
+                "eurovoc_concepts": datasets.features.Sequence(datasets.Value("string")),
+            }
+        )
+        return datasets.DatasetInfo(
+            # This is the description that will appear on the datasets page.
+            description=_DESCRIPTION,
+            # This defines the different columns of the dataset and their types
+            features=features,  # Here we define them above because they are different between the two configurations
+            # If there's a common (input, target) tuple from the features,
+            # specify them here. They'll be used if as_supervised=True in
+            # builder.as_dataset.
+            supervised_keys=None,
+            # Homepage of the dataset for documentation
+            homepage=_HOMEPAGE,
+            # License for the dataset if available
+            license=_LICENSE,
+            # Citation for the dataset
+            citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager):
+        """Returns SplitGenerators."""
+        my_urls = _URLs[self.config.name]
+        data_dir = dl_manager.download_and_extract(my_urls)
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                # These kwargs will be passed to _generate_examples
+                gen_kwargs={
+                    "filepath": os.path.join(data_dir, "train.jsonl"),
+                    "split": "train",
+                },
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                # These kwargs will be passed to _generate_examples
+                gen_kwargs={"filepath": os.path.join(data_dir, "test.jsonl"), "split": "test"},
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                # These kwargs will be passed to _generate_examples
+                gen_kwargs={
+                    "filepath": os.path.join(data_dir, "dev.jsonl"),
+                    "split": "dev",
+                },
+            ),
+        ]
+
+    def _generate_examples(
+        self, filepath, split  # method parameters are unpacked from `gen_kwargs` as given in `_split_generators`
+    ):
+        """ Yields examples as (key, example) tuples. """
+
+        with open(filepath, encoding="utf-8") as f:
+            for id_, row in enumerate(f):
+                data = json.loads(row)
+                yield id_, {
+                    "celex_id": data["celex_id"],
+                    "title": data["title"],
+                    "text": "\n".join([data["header"], data["recitals"]] + data["main_body"]),
+                    "eurovoc_concepts": data["eurovoc_concepts"],
+                }